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3-Bromfluorenyl-(9)-triphenylphosphonium-bromid is a complex organic compound with the chemical formula C27H20Br2P. It is a derivative of triphenylphosphonium bromide, featuring a 3-bromfluorenyl group attached to the phosphorus atom. 3-Bromfluorenyl-(9)-triphenylphosphonium-bromid is often used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the Wittig reaction. The 3-bromfluorenyl group provides a bulky and electron-withdrawing effect, which can influence the reactivity and selectivity of the phosphonium salt in various chemical transformations. Its structure and properties make it a valuable tool in the synthesis of complex organic molecules, especially in the preparation of fluorene-based compounds and other aromatic systems.

7293-64-3

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7293-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7293-64-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,9 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7293-64:
(6*7)+(5*2)+(4*9)+(3*3)+(2*6)+(1*4)=113
113 % 10 = 3
So 7293-64-3 is a valid CAS Registry Number.

7293-64-3Relevant academic research and scientific papers

Blue fluorescent host compound, and preparation method and device thereof

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Paragraph 0076-0079, (2020/01/12)

The invention relates to a blue fluorescent host compound, and a preparation method and a device thereof. The structural formula of the blue fluorescent host compound is represented by chemical formula 1 shown in the description. Compared with a conventional material, the blue fluorescent host compound of the invention has the advantages of excellent electroluminescent properties, long device service life and proper color coordinates. The organic light-emitting device prepared from the blue fluorescent host compound adopts the novel compound of the chemical formula 1, so that the device becomes the organic light-emitting device with a high efficiency and a long service life. The preparation method of the blue fluorescent host compound has the advantages of simple process and high yield.

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